DOKK / manpages / debian 13 / reform-tools / reform-flash-uboot.1.en
REFORM-FLASH-UBOOT(1) User Commands REFORM-FLASH-UBOOT(1)

reform-flash-uboot - download and flash u-boot

reform-flash-uboot [--offline] [--force] [DEVICE...]

Download and flash u-boot for the current platform to DEVICE. Unless the --offline option is given, download latest u-boot to /boot/flash.bin. If one or more DEVICE is given, flash /boot/flash.bin with the correct offset to DEVICE. The short-hands 'sd' and 'emmc' can be used to flash u-boot to the SD-card or eMMC, respectively.

Block device to flash or short-hands 'sd' or 'emmc'
Display this help and exit.
Custom image (default: /boot/flash.bin). Implies --offline.
Do not download latest u-boot to /boot/flash.bin.
No user interaction and flash to devices marked as 'warn'
May 2025 reform-flash-uboot 1.71